1. Institute for PolymersComposites and BiomaterialsNational Research Council of Italy Via Campi Flegrei 34 80078 Pozzuoli Italy
2. Department of ChemicalMaterials and Production EngineeringUniversity of Naples Federico II Piazzale Tecchio 80 80125 Napoli Italy
3. Institute for PolymersComposites and BiomaterialsNational Research Council of Italy P.le E. Fermi 1 80055 Portici Italy